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  1. #25
    ericks
    Guest

    Re: Upgrade/repairs

    Quote Originally Posted by ropewrench View Post
    Wow nice work
    I always visualize my work to look like yours.
    I start with a Monet mind and end up with a Picasso finish.

    I love the machine
    I am starting a 4x4 to replace my 2x2

    Looking forward to seeing how its going to run with the new hardware
    i have tons of questions
    This steel frame idea is interesting. I will be giving it a very close look....i quoted way too low to really do too many upgrades but i hope to get it working properly. He is supposed to help me, said he would machine any parts required. If anyone is interested i can post the vfd setting here once i am finished. This drive is very easy to set up

  2. #26

    Re: Upgrade/repairs

    Quote Originally Posted by ericks View Post
    Completed the wiring...Will be testing soon, then a bit of tidying up and changing a couple of circuit breakers

    One thing i found was that although the Gecko is a nice and compact unit, wiring layout to it was a pain. So it's unlikely that i will use it in the future. I like the fact that if i have separate drives and bob i can change individual units if there are failures plus it's easier to do separation between control and main power. I am a little worried about electrical noise

    Nice work.
    http://cncmakers.com/cnc/controllers/CNC_Controller_System/CNC_Retrofit_Package.html

  3. #27
    ericks
    Guest

    Re: Upgrade/repairs

    Thank you

  4. #28
    ericks
    Guest

    Re: Upgrade/repairs

    Testing started. Everything is working like expected, i just had to sort the pwm freq setting on mach3 so that i got a stable freq ref from the Gecko to the VFD drive. Also a bit of tweaking on the drive settings so i get close to the set speeds in Mach3. All working well. Ran a long program with the spindle at max rpm to see if i had any missed steps due to noise...happy to report zero issues at this stage


  5. #29
    Member
    Join Date
    Apr 2003
    Posts
    37

    Re: Upgrade/repairs

    Sounds like progress
    doing it right is always more work

    I bet you are thinking about tramming and squaring too

    I am planning to use 3by3 square tube frame
    and using the gecko 540 with unipolars

    i noticed bipolar and i guess i don't know the advantages of ether,
    are those the original or did you upgrade the motors too
    what size is on the "Z"?

    how does the X feel with the aluminum plate?
    It looks good but wondering how it handles the load?

    again beautiful work

  6. #30
    ericks
    Guest

    Re: Upgrade/repairs

    Quote Originally Posted by ropewrench View Post
    Sounds like progress
    doing it right is always more work

    I bet you are thinking about tramming and squaring too

    I am planning to use 3by3 square tube frame
    and using the gecko 540 with unipolars

    i noticed bipolar and i guess i don't know the advantages of ether,
    are those the original or did you upgrade the motors too
    what size is on the "Z"?

    how does the X feel with the aluminum plate?
    It looks good but wondering how it handles the load?

    again beautiful work
    Yes lots of work now but should save him lots of hassles later

    Squaring and lots of other fixes for sure

    That sounds like a good size, must admit i have no experience with steel frame machines, however my 6040 did have a bit of steel in its frame....exciting to be able to see how well it works for this size machine
    Gecko seems to work well on his machine, he never had any issues...but sounds like electrical noise caused him some hassles.

    I will post all the specs as i document the repairs, not sure of the motors he has. The ones i used for testing the new panel is my own motors.

    He has a steel tube for the x axis, bolted to the alu....seems to be rigid, will have to see when i start working on it

    Thanks

  7. #31
    ericks
    Guest

    Re: Upgrade/repairs

    So i only had a little bit of time to work on the machine....managed to strip the x and z axis down. No grease nipples on any of the ball nuts, i will be doing a lot of cleaning and lubricating. Found loose locks nuts on all the ball screw support bearings on all axis. Also loose and missing bolts all over the frame. The z-axis did not move smoothly, obviously had a misalignment. With the way they made the machine my only option will be to do a lot of shimming to get it lined up properly.

    Attached Thumbnails Attached Thumbnails stripping3.jpg  

  8. #32
    ericks
    Guest

    Re: Upgrade/repairs

    Progress....

    Attached Thumbnails Attached Thumbnails stripping14.jpg  

  9. #33
    ericks
    Guest

    Re: Upgrade/repairs

    Wow.....the cable/electrical is shocking. He used screened low voltage cable that i would guess is around 0.25 mm sq. on the 2.2Kw spindle motor. He used the yellow core for earth in the plug, which anyway got dislodged but the fourth pin was not wired in the motor. I also found one of the motor couplings was rubbing on the motor cause it was pushed in to far. At least the spindle plug is not a microphone plug, although the spindle motor bearings are noisy. The new owner was milling steel on the machine.....so i kind of expected problems with the spindle motor bearings.


  10. #34
    ericks
    Guest

    Re: Upgrade/repairs

    Won't be changing bearings on the motor but the motor still good for testing so i added an earth connection and opened up the water port....

    Attached Thumbnails Attached Thumbnails stripping19.jpg  

  11. #35
    ericks
    Guest

    Re: Upgrade/repairs

    Not much progress atm. Waiting for a payment before i order parts. Messed around with the 2.2Kw /24000 water cooled spindle motor today, would i buy one of these?? most likely not

  12. #36
    Registered
    Join Date
    Jan 2007
    Posts
    477

    Re: Upgrade/repairs

    Well, your certainly having fun Erick....lol
    Its nice to see your methodical approach so you catch all the errors alon the way.
    It makes commissioning alot easier in the long run.
    Steve

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